<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            /* 复合写法 */
            /* text-decoration: underline red wavy; */
            /* text-decoration: overline red wavy; */
            /* text-decoration: line-through red wavy; */
            /* 
            wavy 波浪
            dashed 虚线
            solid 实线
            dotted 点虚线
            double 双划线 */
            text-decoration-style: dashed;
            text-decoration-color:  red;
            text-decoration-line: line-through;
        }
    </style>
</head>
<body>
    <div class="box">我是文字ABC</div>
</body>
</html>